Check an email address

GET

/domaincheck

Verify whether an email address belongs to a disposable or temporary
email provider.

Request

Authorization

Bearer Token

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Query Params

Responses

🟢200CheckSuccess

application/json

Email check completed successfully.

Headers

Body

🟠401Unauthorized

🟠403Forbidden

🟠422ValidationError

🟠429RateLimited

Request Example

Shell

JavaScript

Java

Swift

curl --location --request GET 'https://api.istmp.email/domaincheck?email=user@tempmail.com' \
--header 'Authorization: Bearer <token>'

Response Example

200 - disposable

Disposable email detected

{"status":true,"info":{"is_tmp":true,"result":"disposable","risk_score":95,"signals":{"mx_valid":true,"disposable_domain":true,"domain_age_available":false},"reason_codes":["disposable_domain","known_disposable_provider"]}}

Modified at 2026-03-25 01:15:50

CheckResult